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Finding the Fourth Proportional to 134,748, 202,035.60 and 55,916.64

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Solution

The fourth proportional to 134,748, 202,035.60 and 55,916.64 is: 83,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,748 : 202,035.60 = 55,916.64 : x
  2. Step 2: Convert to fraction form
    134,748/202,035.60 = 55,916.64/x
  3. Step 3: Cross multiply
    134,748x = 202,035.60 × 55,916.64
  4. Step 4: Simplify right side
    134,748x = 11,297,151,912.38
  5. Step 5: Solve for x
    x = 11,297,151,912.38/134,748
  6. Step 6: Final answer
    x = 83,839.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.